ERROR CODE EXPLAINED
Thermador Dishwasher
Thermador Dishwasher E9001 Error Code
What it means
Thermador identifies dishwasher e9001 as house power supply to the unit is too low.
Try this first
- Turn the dishwasher breaker off for 30 seconds, then restore power.
- If the code returns, have an electrician check the incoming voltage to the dishwasher.
Can I keep using it?⚠ Thermador identifies dishwasher e9001 as house power supply to the unit is too low.
Repair usually required?⚠ Follow only the manufacturer-backed checks listed below before replacing parts.
If the error keeps returning
Use the linked official manufacturer support article for model-specific details and service guidance.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.